There is a chicken farm in our neighbour house. Insufferable smell is coming from the farm throughout. We are having issues due to this, eg health related. Also due to this we cant invite guests to our house.

I would request legal advice on this matter on how/where/to whom we need to file complaint against. Other neighbours are also in support of us to file complaint. I am not sure whether that is maintained in unclean surroundings , but it is an authorized one though.

As far as the related farm is in their territory the one can do nothing about that. Since the smell and other various fact are annoying you , you may consult to any legal adviser for all the important aspects of the same.